Bulk Operation

SOLR-12801 restore ability for BaseDistributedSearchTestCase subclasses to use null keys in "handle" when comparing responses

SOLR-12801 when TestInjection.nonGracefullClose causes a TestShutdownFailError, test is garunteed tofail due to leaked objects (causes failures in (Hdfs)RestartWhileUpdatingTest)

SOLR-12801 Need reliable example (Test) of how to use TestInjection.failReplicaRequests

SOLR-12801 Testing of TLOG Replicas needs to be re-instated, may be hiding bugs

SOLR-12801 Harden SaslZkACLProviderTest.

SOLR-12801 Harden HttpSolrCallGetCoreTest

SOLR-12801 Harden ChaosMonkeySafeLeaderWithPullReplicasTest

SOLR-12801 Harden LeaderTragicEventTest.

SOLR-12801 ant test (without badapples=false) should pass easily for developers.

SOLR-12801 Separate Solr unit tests and integration tests.

SOLR-12801 Resurrect regular test beasting reports.

SOLR-12801 Introduce a new set of Mock objects that cover key parts of the system and are easy to use.

SOLR-12801 Fix all tests in org.apache.solr.update and begin a defense of them.

SOLR-12801 Fix all tests in org.apache.solr.search and begin a defense of them.